Problema ao selecionar duas tabelas em um código java

[celomorais]

Ae galerinha, gostaria de um help, tenho o código abaixo, e duas tabelas no meu mysql (Clientes com os campos id, nome e telefone, Encomendas com os campos encomenda, quantidade e data), no java tenho o jframe para consultar clientes e suas respectivas encomendas, porém no jframe eu adicionei uma tabela o "jtable" para poder lista as encomendas daquele clientes, quando iniciou o código ele seleciona a tabela cliente, dai eu posso preencher no campo de texto o nome e o telefone, o problema é que quando vou selecionar as encomendas daquele cliente, preciso selecionar a tabela encomendas e não consigo preencher a "jtable" no jframe

segue o código

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * Consulta.java
 *
 * Created on 20/03/2011, 10:55:03
 */

package consultas;

import TelaPrincipal.TelaPrincipal;
import utilitarios.conexao;
import javax.swing.*;
import java.sql.*;
import javax.swing.table.DefaultTableModel;


/**
 *
 * @author CeLo
 */
public class Consulta extends javax.swing.JFrame {
     int navega = 0; //apenas para sabermos em qual botao foi clicado
     conexao consulta;
    private Connection conexao;

    /** Creates new form Consulta */
    public Consulta() {
        initComponents();
        consulta =  new conexao();
        consulta.conecta();
        consulta.executeSQL("select * from clientes");
        campo_codigo.setEditable(false);
        campo_nome.setEditable(false);
        campo_telefone.setEditable(false);
            

    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        titulo = new javax.swing.JLabel();
        nome = new javax.swing.JLabel();
        telefone = new javax.swing.JLabel();
        campo_nome = new javax.swing.JTextField();
        campo_telefone = new javax.swing.JTextField();
        voltar = new javax.swing.JButton();
        primeiro = new javax.swing.JButton();
        anterior = new javax.swing.JButton();
        proximo = new javax.swing.JButton();
        ultimo = new javax.swing.JButton();
        excluir = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        tabela = new javax.swing.JTable();
        codigo = new javax.swing.JLabel();
        campo_codigo = new javax.swing.JTextField();
        botao_editar = new javax.swing.JButton();
        botao_ok = new javax.swing.JButton();
        botao_pesquisa = new javax.swing.JButton();
        campo_pesquisa = new javax.swing.JTextField();
        pesquisa = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE);
        setTitle("CONSULTA DE CLIENTES");

        titulo.setFont(new java.awt.Font("Copperplate Gothic Bold", 1, 14)); // NOI18N
        titulo.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\hamburg\\customers.png")); // NOI18N
        titulo.setText("CONSULTA DE CLIENTES");

        nome.setFont(new java.awt.Font("Copperplate Gothic Bold", 0, 12));
        nome.setText("Nome:");

        telefone.setFont(new java.awt.Font("Copperplate Gothic Bold", 0, 12));
        telefone.setText("Tel.:");

        voltar.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\http___iconesbr.oficinadanet.com_7000_32x32.png")); // NOI18N
        voltar.setText("VOLTAR");
        voltar.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                voltarActionPerformed(evt);
            }
        });

        primeiro.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\first.png")); // NOI18N
        primeiro.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                primeiroActionPerformed(evt);
            }
        });

        anterior.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\http___iconesbr.oficinadanet.com_7856_32x32.png")); // NOI18N
        anterior.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                anteriorActionPerformed(evt);
            }
        });

        proximo.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\http___iconesbr.oficinadanet.com_7854_32x32.png")); // NOI18N
        proximo.setMinimumSize(new java.awt.Dimension(119, 41));
        proximo.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                proximoActionPerformed(evt);
            }
        });

        ultimo.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\last.png")); // NOI18N
        ultimo.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ultimoActionPerformed(evt);
            }
        });

        excluir.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\http___iconesbr.oficinadanet.com_3576_32x32.png")); // NOI18N
        excluir.setText("EXCLUIR");
        excluir.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                excluirActionPerformed(evt);
            }
        });

        tabela.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null}
            },
            new String [] {
                "Encomenda", "Quantidade", "Data"
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false, false, false
            };

            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        tabela.setEnabled(false);
        tabela.setPreferredSize(new java.awt.Dimension(300, 160));
        jScrollPane1.setViewportView(tabela);
        tabela.getColumnModel().getColumn(0).setResizable(false);
        tabela.getColumnModel().getColumn(0).setPreferredWidth(20);
        tabela.getColumnModel().getColumn(1).setResizable(false);
        tabela.getColumnModel().getColumn(1).setPreferredWidth(20);
        tabela.getColumnModel().getColumn(2).setResizable(false);
        tabela.getColumnModel().getColumn(2).setPreferredWidth(10);

        codigo.setFont(new java.awt.Font("Copperplate Gothic Bold", 0, 12));
        codigo.setText("Registro:");

        botao_editar.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\cologne\\edit.png")); // NOI18N
        botao_editar.setText("EDITAR ");
        botao_editar.setMaximumSize(new java.awt.Dimension(117, 41));
        botao_editar.setMinimumSize(new java.awt.Dimension(117, 41));
        botao_editar.setPreferredSize(new java.awt.Dimension(117, 41));
        botao_editar.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                botao_editarActionPerformed(evt);
            }
        });

        botao_ok.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\cologne\\check.png")); // NOI18N
        botao_ok.setText("OK");
        botao_ok.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                botao_okActionPerformed(evt);
            }
        });

        botao_pesquisa.setIcon(new javax.swing.ImageIcon("D:\\JAVA\\imagens\\cologne\\search.png")); // NOI18N
        botao_pesquisa.setText("PESQUISAR");
        botao_pesquisa.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                botao_pesquisaActionPerformed(evt);
            }
        });

        pesquisa.setFont(new java.awt.Font("Copperplate Gothic Bold", 0, 12));
        pesquisa.setText("PESQUISA:");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(voltar)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(codigo)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(campo_codigo, javax.swing.GroupLayout.DEFAULT_SIZE, 53, Short.MAX_VALUE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
                        .addGap(59, 59, 59)
                        .addComponent(titulo)
                        .addGap(121, 121, 121))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(primeiro)
                        .addGap(18, 18, 18)
                        .addComponent(anterior)
                        .addGap(18, 18, 18)
                        .addComponent(proximo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(ultimo)
                        .addGap(18, 18, 18)
                        .addComponent(excluir))
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(pesquisa)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(campo_pesquisa, javax.swing.GroupLayout.PREFERRED_SIZE, 174, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(botao_pesquisa)
                        .addContainerGap(92, Short.MAX_VALUE))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(telefone)
                            .addComponent(nome))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(campo_telefone, javax.swing.GroupLayout.DEFAULT_SIZE, 185, Short.MAX_VALUE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(botao_editar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(botao_ok))
                            .addComponent(campo_nome, javax.swing.GroupLayout.PREFERRED_SIZE, 307, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(54, 54, 54))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(voltar)
                    .addComponent(titulo))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(pesquisa)
                            .addComponent(campo_pesquisa, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(11, 11, 11)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(campo_codigo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(codigo)))
                    .addComponent(botao_pesquisa))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(nome)
                    .addComponent(campo_nome, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(telefone)
                        .addComponent(campo_telefone, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(botao_editar, javax.swing.GroupLayout.DEFAULT_SIZE, 47, Short.MAX_VALUE)
                        .addComponent(botao_ok, javax.swing.GroupLayout.DEFAULT_SIZE, 47, Short.MAX_VALUE)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 183, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(ultimo)
                    .addComponent(proximo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(anterior)
                    .addComponent(primeiro)
                    .addComponent(excluir))
                .addContainerGap())
        );

        java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-490)/2, (screenSize.height-483)/2, 490, 483);
    }// </editor-fold>                        

    private void proximoActionPerformed(java.awt.event.ActionEvent evt) {                                        
    try
        {

            consulta.resultset.next();
            mostra_dados();
            navega = 2;
        }
        catch(SQLException erro)
        {
            JOptionPane.showMessageDialog(null,"Não possível ir para o próximo" +
                    "registro" + erro);
        }
    }                                       

    private void primeiroActionPerformed(java.awt.event.ActionEvent evt) {                                         
try
        {

            consulta.resultset.first();
            mostra_dados();
            
        }
        catch(SQLException erro)
        {
            JOptionPane.showMessageDialog(null,"Não foi possível ir para o primeiro" +
                    "registro" + erro);
        }
    }                                        

    private void ultimoActionPerformed(java.awt.event.ActionEvent evt) {                                       
   try
        {

            consulta.resultset.last();
            mostra_dados();
            
        }
        catch(SQLException erro)
        {
            JOptionPane.showMessageDialog(null,"Não foi possível ir para o último" +
                    "registro" + erro);
        }
    }                                      

    private void anteriorActionPerformed(java.awt.event.ActionEvent evt) {                                         
    try
        {

            consulta.resultset.previous();
            mostra_dados();
            navega = 1;
        }
        catch(SQLException erro)
        {
            JOptionPane.showMessageDialog(null,"Não foi possível ir para o registro " +
                    "anterior" + erro);
        }
    }                                        

    private void excluirActionPerformed(java.awt.event.ActionEvent evt) {                                        
        try {
            String sql = "select * from clientes Where id = "+campo_codigo.getText();
            consulta.executeSQL(sql);
            consulta.resultset.first();
            String nome1 = "Deletar " + consulta.resultset.getString("nome")+" ?";
            int opcao_escolhida = JOptionPane.showConfirmDialog(null,nome1,"Exclusão ",JOptionPane.YES_NO_OPTION);
            if (opcao_escolhida == JOptionPane.YES_OPTION) {

                sql = "DELETE FROM clientes Where id =" +campo_codigo.getText();
                int conseguiu_excluir = consulta.statement.executeUpdate(sql);
                if (conseguiu_excluir == 1) {
                    JOptionPane.showMessageDialog(null, "Exclusão realizada com sucesso");
                    //Atualizado o resultset
                    consulta.executeSQL("Select * from clientes");
                    consulta.resultset.first();
                    mostra_dados();
                }
            } else
                return;
        } catch(SQLException erro) {
            JOptionPane.showMessageDialog(null, "Erro ao tentar excluir registro" + erro);
        }
    }                                       

    private void voltarActionPerformed(java.awt.event.ActionEvent evt) {                                       
        new TelaPrincipal().setVisible(true);
        dispose();
    }                                      

    private void botao_editarActionPerformed(java.awt.event.ActionEvent evt) {                                             

    campo_nome.setEditable(true);
    campo_telefone.setEditable(true);

    }                                            

    private void botao_okActionPerformed(java.awt.event.ActionEvent evt) {                                         
try
{
    String sql = "UPDATE clientes SET nome ='"+campo_nome.getText()+"',"+
            "telefone = '"+campo_telefone.getText()+"' where id = " +campo_codigo.getText();
    consulta.statement.executeUpdate(sql);
    JOptionPane.showMessageDialog(null, "Alteração realizada com sucesso");

    //atualiza o resultset
    consulta.executeSQL("Select * from clientes");
    consulta.resultset.first();
    campo_nome.setEditable(false);
    campo_telefone.setEditable(false);
    mostra_dados();
}
catch (SQLException erro) {
            JOptionPane.showMessageDialog(null, "Erro ao tentar ediatr registro" + erro);
        }

    }                                        

    private void botao_pesquisaActionPerformed(java.awt.event.ActionEvent evt) {                                               
try
{
   consulta.resultset.first();
   String igual = "n";
   int tamanho_pesquisa = campo_pesquisa.getText().length();
   while(   igual.equals("n"))
   {
       String pesquisado = consulta.resultset.getString("nome").substring(0,(tamanho_pesquisa));

       if(pesquisado.equals(campo_pesquisa.getText()))
       {
           igual = "s";
       }
       else
           consulta.resultset.next();
   }
   campo_codigo.setText(consulta.resultset.getString("id"));
   mostra_dados();
}
catch(SQLException erro)
{
      JOptionPane.showMessageDialog(null, "Não foi possível localizar registro" + erro);
}
    }                                              

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Consulta().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton anterior;
    private javax.swing.JButton botao_editar;
    private javax.swing.JButton botao_ok;
    private javax.swing.JButton botao_pesquisa;
    private javax.swing.JTextField campo_codigo;
    private javax.swing.JTextField campo_nome;
    private javax.swing.JTextField campo_pesquisa;
    private javax.swing.JTextField campo_telefone;
    private javax.swing.JLabel codigo;
    private javax.swing.JButton excluir;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JLabel nome;
    private javax.swing.JLabel pesquisa;
    private javax.swing.JButton primeiro;
    private javax.swing.JButton proximo;
    private javax.swing.JTable tabela;
    private javax.swing.JLabel telefone;
    private javax.swing.JLabel titulo;
    private javax.swing.JButton ultimo;
    private javax.swing.JButton voltar;
    // End of variables declaration                   

    public void mostra_dados()
    {
        try
        {
        
        campo_nome.setText(consulta.resultset.getString("nome"));
        campo_telefone.setText(consulta.resultset.getString("telefone"));
        campo_codigo.setText(consulta.resultset.getString("id"));
        tabela.enable(false);
        preencher_tabela();
        
            
        }
        catch(SQLException erro)
        {
            if (navega == 1)
            {
                JOptionPane.showMessageDialog(null,"Você já está no primeiro registro");
            }
            else if(navega == 2)
            {
                JOptionPane.showMessageDialog(null, "Você já está no último registro");
            }
            else
            {
            JOptionPane.showMessageDialog(null,"Não localizou os dados" + erro);
            }
            navega = 0;
         }
    }

      public void preencher_tabela()
    {        
          tabela.getColumnModel().getColumn(0).setPreferredWidth(20);
          tabela.getColumnModel().getColumn(1).setPreferredWidth(20);
          tabela.getColumnModel().getColumn(2).setPreferredWidth(10);

          DefaultTableModel modelo = (DefaultTableModel)tabela.getModel();
          modelo.setNumRows(0);
        
          try
          {        
          //if(consulta.resultset.getString("nome").equals(campo_nome.getText()))
          //while(consulta.resultset.next())
          modelo.addRow(new Object[]{consulta.resultset.getString("Nome"),consulta.resultset.getString("Telefone")});
          }
          catch(SQLException erro)
          {
              JOptionPane.showMessageDialog(null, "Erro ao listar na tabela");
          }
      }
}